TY - JOUR AU - O. A. Oleinik AU - T. A. Shaposhnikova TI - On a method for constructing approximations in the averaging problem in a partially punctured domain JO - Differencialʹnye uravneniâ PY - 1994 SP - 1994 EP - 2000 VL - 30 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1994_30_11_a16/ LA - ru ID - DE_1994_30_11_a16 ER -